To make chitosan having PH sensitivity, in this paper chitosan was grafted by sulfadimethoxypyrimidine (SDM) which is a pH sensitivity group.

为了制备具有pH敏感性能的壳聚糖，本文采用将磺胺二甲氧基嘧啶（SDM）作为pH敏感基团接枝到壳聚糖上。

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To make chitosan having PH sensitivity, in this paper chitosan was grafted by sulfadimethoxypyrimidine (SDM) which is a pH sensitivity group.

为了制备具有pH敏感性能的壳聚糖，本文采用将磺胺二甲氧基嘧啶（SDM）作为pH敏感基团接枝到壳聚糖上。

youdao